affiliation not provided to SSRN, affiliation not provided to SSRN, Northwest Agricultural and Forestry University, University of Guelph, “TASHKENT INSTITUTE OF IRRIGATION AND AGRICULTURAL MECHANIZATION ENGINEERS” NATIONAL RESEARCH UNIVERSITY, Tashkent Institute of Irrigation and Melioration, Kunming University of Science and Technology, affiliation not provided to SSRN and The University of Western Australia